DE602005027439D1 - PROCESS FOR THE PREPARATION OF METHYL-HEPTENENE - Google Patents

PROCESS FOR THE PREPARATION OF METHYL-HEPTENENE

Info

Publication number
DE602005027439D1
DE602005027439D1 DE602005027439T DE602005027439T DE602005027439D1 DE 602005027439 D1 DE602005027439 D1 DE 602005027439D1 DE 602005027439 T DE602005027439 T DE 602005027439T DE 602005027439 T DE602005027439 T DE 602005027439T DE 602005027439 D1 DE602005027439 D1 DE 602005027439D1
Authority
DE
Germany
Prior art keywords
methyl
heptenene
preparation
oxalato
hydrogen
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DE602005027439T
Other languages
German (de)
Inventor
Werner Bonrath
Aljosa Crevatin
Fabrice Aquino
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DSM IP Assets BV
Original Assignee
DSM IP Assets BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DSM IP Assets BV filed Critical DSM IP Assets BV
Publication of DE602005027439D1 publication Critical patent/DE602005027439D1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/511—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
    • C07C45/513—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups the singly bound functional group being an etherified hydroxyl group
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

Methylheptenone (2-methyl-2-hepten-6-one) is prepared by reacting 2-methyl-3-buten-2-ol with isopropenyl methyl ether in the presence of hydrogen tris(oxalato)phosphate or hydrogen bis(oxalato)borate.
DE602005027439T 2004-02-04 2005-01-27 PROCESS FOR THE PREPARATION OF METHYL-HEPTENENE Active DE602005027439D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04002422 2004-02-04
PCT/EP2005/000795 WO2005075400A1 (en) 2004-02-04 2005-01-27 Process for the preparation of methylheptenone

Publications (1)

Publication Number Publication Date
DE602005027439D1 true DE602005027439D1 (en) 2011-05-26

Family

ID=34833570

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005027439T Active DE602005027439D1 (en) 2004-02-04 2005-01-27 PROCESS FOR THE PREPARATION OF METHYL-HEPTENENE

Country Status (9)

Country Link
US (1) US7319172B2 (en)
EP (1) EP1711451B1 (en)
JP (1) JP4733057B2 (en)
KR (1) KR101128256B1 (en)
CN (1) CN100448830C (en)
AT (1) ATE505451T1 (en)
DE (1) DE602005027439D1 (en)
ES (1) ES2364272T3 (en)
WO (1) WO2005075400A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8664450B2 (en) 2008-10-21 2014-03-04 Dsm Ip Assets B.V. Manufacture of gamma-delta-unsaturated ketones
CN103570516B (en) * 2013-10-31 2015-03-11 广西科伦制药有限公司 Technology for recovering acetone in production of cefotaxime sodium
CN105218339B (en) * 2015-11-03 2017-03-22 山东新和成药业有限公司 Method for preparing methyl heptenone by using 3-methylcrotonaldehyde
CN108299171B (en) * 2018-02-11 2021-03-16 浙江新和成股份有限公司 Method for synthesizing methyl heptenone from 2-methyl-3-butene-2-ol
CN113999100B (en) * 2021-10-29 2023-10-13 万华化学集团股份有限公司 Method for preparing methyl heptenone and applying raw materials
CN114933518B (en) * 2022-06-16 2023-11-28 山东新和成药业有限公司 Synthesis method of ethyl heptenone and application of heteropoly acid catalyst

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE634738A (en) * 1962-07-11 1900-01-01
US3453317A (en) * 1962-07-11 1969-07-01 Hoffmann La Roche Unsaturated carbonyl compounds and processes
US5886196A (en) * 1996-01-12 1999-03-23 Roche Vitamins Inc. Method of catalyzing condensation reactions
DE19649564A1 (en) * 1996-11-29 1998-06-04 Basf Ag Process for the production of gamma, delta-unsaturated ketones by reacting tertiary allyl alcohols with alkenyl alkyl ethers
EP1227089B1 (en) * 2001-01-18 2003-09-24 Roche Vitamins AG Manufacture of (all-rac)-alpha-Tocopherol

Also Published As

Publication number Publication date
ES2364272T3 (en) 2011-08-30
WO2005075400A1 (en) 2005-08-18
KR101128256B1 (en) 2012-03-26
US7319172B2 (en) 2008-01-15
JP4733057B2 (en) 2011-07-27
EP1711451B1 (en) 2011-04-13
CN100448830C (en) 2009-01-07
ATE505451T1 (en) 2011-04-15
CN1914143A (en) 2007-02-14
JP2007520510A (en) 2007-07-26
EP1711451A1 (en) 2006-10-18
US20070161823A1 (en) 2007-07-12
KR20060134039A (en) 2006-12-27

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